Display screen having a graphical user interface



A portion of the disclosure of this patent document contains material to which a claim for copyright is made. The copyright owner has no objection to the reproduction of the patent document or the patent disclosure, as it appears in the U.S. Patent Office records, but reserves all other copyright rights whatsoever.

The FIGURE is a front view of a display screen having a graphical user interface.

The broken line of the display screen and the broken lines showing portions of the graphical user interface form no part of the claimed design. 

CLAIM The ornamental design for a display screen having a graphical user interface, as shown and described. 